{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T15:41:37.660009+00:00","duration_seconds":1.683372,"id":1831421,"input_summary":"chars=971 node=683211","metadata":{"llm_candidates":[{"callsign":"KD7WA","confidence":0.78},{"callsign":"KT7J","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KD7WA,KT7J","recording_id":174656,"started_at":"2026-07-18T15:41:35.976637+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169992}